Saulx may refer to:
Saulx (river), a river in France Saulx, Haute-Saône, France Saulx-le-Duc, Côte-d'Or, France Saulx-lès-Champlon, Meuse, France Saulx-les-Chartreux, Essonne, France Saulx-Marchais, Yvelines, France Gaspard de Saulx (1509–1575), French military leader
See also Sault (disambiguation)